process.cc revision 4188
17405SAli.Saidi@ARM.com/* 27405SAli.Saidi@ARM.com * Copyright (c) 2003-2005 The Regents of The University of Michigan 37405SAli.Saidi@ARM.com * All rights reserved. 47405SAli.Saidi@ARM.com * 57405SAli.Saidi@ARM.com * Redistribution and use in source and binary forms, with or without 67405SAli.Saidi@ARM.com * modification, are permitted provided that the following conditions are 77405SAli.Saidi@ARM.com * met: redistributions of source code must retain the above copyright 87405SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer; 97405SAli.Saidi@ARM.com * redistributions in binary form must reproduce the above copyright 107405SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer in the 117405SAli.Saidi@ARM.com * documentation and/or other materials provided with the distribution; 127405SAli.Saidi@ARM.com * neither the name of the copyright holders nor the names of its 137405SAli.Saidi@ARM.com * contributors may be used to endorse or promote products derived from 147405SAli.Saidi@ARM.com * this software without specific prior written permission. 157405SAli.Saidi@ARM.com * 167405SAli.Saidi@ARM.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 177405SAli.Saidi@ARM.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 187405SAli.Saidi@ARM.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 197405SAli.Saidi@ARM.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 207405SAli.Saidi@ARM.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 217405SAli.Saidi@ARM.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 227405SAli.Saidi@ARM.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 237405SAli.Saidi@ARM.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247405SAli.Saidi@ARM.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 257405SAli.Saidi@ARM.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 267405SAli.Saidi@ARM.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 277405SAli.Saidi@ARM.com * 287405SAli.Saidi@ARM.com * Authors: Steve Reinhardt 297405SAli.Saidi@ARM.com * Gabe Black 307405SAli.Saidi@ARM.com * Ali Saidi 317405SAli.Saidi@ARM.com */ 327405SAli.Saidi@ARM.com 337405SAli.Saidi@ARM.com#include "arch/sparc/isa_traits.hh" 347405SAli.Saidi@ARM.com#include "arch/sparc/linux/process.hh" 357405SAli.Saidi@ARM.com#include "arch/sparc/regfile.hh" 367405SAli.Saidi@ARM.com 377405SAli.Saidi@ARM.com#include "base/trace.hh" 387405SAli.Saidi@ARM.com#include "cpu/thread_context.hh" 397405SAli.Saidi@ARM.com#include "kern/linux/linux.hh" 407405SAli.Saidi@ARM.com 417405SAli.Saidi@ARM.com#include "sim/process.hh" 427678Sgblack@eecs.umich.edu#include "sim/syscall_emul.hh" 438059SAli.Saidi@ARM.com 447405SAli.Saidi@ARM.comusing namespace std; 457405SAli.Saidi@ARM.comusing namespace SparcISA; 467405SAli.Saidi@ARM.com 477405SAli.Saidi@ARM.comSyscallDesc* 487427Sgblack@eecs.umich.eduSparcLinuxProcess::getDesc(int callnum) 497427Sgblack@eecs.umich.edu{ 507427Sgblack@eecs.umich.edu if (callnum < 0 || callnum > Num_Syscall_Descs) 517427Sgblack@eecs.umich.edu return NULL; 527427Sgblack@eecs.umich.edu return &syscallDescs[callnum]; 537427Sgblack@eecs.umich.edu} 547427Sgblack@eecs.umich.edu 557427Sgblack@eecs.umich.eduSyscallDesc* 567427Sgblack@eecs.umich.eduSparcLinuxProcess::getDesc32(int callnum) 577427Sgblack@eecs.umich.edu{ 587427Sgblack@eecs.umich.edu if (callnum < 0 || callnum > Num_Syscall32_Descs) 597427Sgblack@eecs.umich.edu return NULL; 607604SGene.Wu@arm.com return &syscall32Descs[callnum]; 617427Sgblack@eecs.umich.edu} 627427Sgblack@eecs.umich.edu 637427Sgblack@eecs.umich.eduSparcLinuxProcess::SparcLinuxProcess() : 647427Sgblack@eecs.umich.edu Num_Syscall_Descs(284), //sizeof(syscallDescs) / sizeof(SyscallDesc)), 657427Sgblack@eecs.umich.edu Num_Syscall32_Descs(299) //sizeof(syscall32Descs) / sizeof(SyscallDesc)) 667427Sgblack@eecs.umich.edu{ 677427Sgblack@eecs.umich.edu // The sparc syscall table must be <= 284 entries because that is all there 687427Sgblack@eecs.umich.edu // is space for. 697427Sgblack@eecs.umich.edu assert(Num_Syscall_Descs <= 284); 707427Sgblack@eecs.umich.edu // The sparc 32 bit syscall table bust be <= 299 entries because that is 717427Sgblack@eecs.umich.edu // all there is space for. 727427Sgblack@eecs.umich.edu assert(Num_Syscall_Descs <= 299); 737427Sgblack@eecs.umich.edu} 747427Sgblack@eecs.umich.edu 757427Sgblack@eecs.umich.eduSparc32LinuxProcess::Sparc32LinuxProcess(const std::string &name, 767427Sgblack@eecs.umich.edu ObjectFile *objFile, 777427Sgblack@eecs.umich.edu System * system, 787427Sgblack@eecs.umich.edu int stdin_fd, 797645Sali.saidi@arm.com int stdout_fd, 807645Sali.saidi@arm.com int stderr_fd, 817645Sali.saidi@arm.com std::vector<std::string> &argv, 827645Sali.saidi@arm.com std::vector<std::string> &envp, 837645Sali.saidi@arm.com const std::string &cwd, 847427Sgblack@eecs.umich.edu uint64_t _uid, uint64_t _euid, 857427Sgblack@eecs.umich.edu uint64_t _gid, uint64_t _egid, 867427Sgblack@eecs.umich.edu uint64_t _pid, uint64_t _ppid) 877427Sgblack@eecs.umich.edu : Sparc32LiveProcess(name, objFile, system, 887427Sgblack@eecs.umich.edu stdin_fd, stdout_fd, stderr_fd, argv, envp, cwd, 897427Sgblack@eecs.umich.edu _uid, _euid, _gid, _egid, _pid, _ppid) 907427Sgblack@eecs.umich.edu{} 917427Sgblack@eecs.umich.edu 927427Sgblack@eecs.umich.eduvoid Sparc32LinuxProcess::handleTrap(int trapNum, ThreadContext *tc) 937427Sgblack@eecs.umich.edu{ 947427Sgblack@eecs.umich.edu switch(trapNum) 957427Sgblack@eecs.umich.edu { 967427Sgblack@eecs.umich.edu case 0x10: //Linux 32 bit syscall trap 977427Sgblack@eecs.umich.edu tc->syscall(tc->readIntReg(1)); 987427Sgblack@eecs.umich.edu break; 997427Sgblack@eecs.umich.edu default: 1007427Sgblack@eecs.umich.edu SparcLiveProcess::handleTrap(trapNum, tc); 1017427Sgblack@eecs.umich.edu } 1027427Sgblack@eecs.umich.edu} 1037427Sgblack@eecs.umich.edu 1047427Sgblack@eecs.umich.eduSparc64LinuxProcess::Sparc64LinuxProcess(const std::string &name, 1057427Sgblack@eecs.umich.edu ObjectFile *objFile, 1067427Sgblack@eecs.umich.edu System * system, 1077427Sgblack@eecs.umich.edu int stdin_fd, 1087427Sgblack@eecs.umich.edu int stdout_fd, 1097427Sgblack@eecs.umich.edu int stderr_fd, 1107427Sgblack@eecs.umich.edu std::vector<std::string> &argv, 1117427Sgblack@eecs.umich.edu std::vector<std::string> &envp, 1127436Sdam.sunwoo@arm.com const std::string &cwd, 1137436Sdam.sunwoo@arm.com uint64_t _uid, uint64_t _euid, 1147436Sdam.sunwoo@arm.com uint64_t _gid, uint64_t _egid, 1157436Sdam.sunwoo@arm.com uint64_t _pid, uint64_t _ppid) 1167436Sdam.sunwoo@arm.com : Sparc64LiveProcess(name, objFile, system, 1177436Sdam.sunwoo@arm.com stdin_fd, stdout_fd, stderr_fd, argv, envp, cwd, 1187436Sdam.sunwoo@arm.com _uid, _euid, _gid, _egid, _pid, _ppid) 1197436Sdam.sunwoo@arm.com{} 1207436Sdam.sunwoo@arm.com 1217436Sdam.sunwoo@arm.comvoid Sparc64LinuxProcess::handleTrap(int trapNum, ThreadContext *tc) 1227436Sdam.sunwoo@arm.com{ 1237436Sdam.sunwoo@arm.com switch(trapNum) 1247436Sdam.sunwoo@arm.com { 1257436Sdam.sunwoo@arm.com //case 0x10: //Linux 32 bit syscall trap 1267436Sdam.sunwoo@arm.com case 0x6d: //Linux 64 bit syscall trap 1277436Sdam.sunwoo@arm.com tc->syscall(tc->readIntReg(1)); 1287436Sdam.sunwoo@arm.com break; 1297436Sdam.sunwoo@arm.com default: 1307436Sdam.sunwoo@arm.com SparcLiveProcess::handleTrap(trapNum, tc); 1317436Sdam.sunwoo@arm.com } 1327436Sdam.sunwoo@arm.com} 1337436Sdam.sunwoo@arm.com